20-EN
19-EN
– 10 –
EN
EN
EN
EN
Installation of hanging bolt
y
Consider the piping / wiring after the unit is hung to
determine the location of the indoor unit installation
and orientation.
y
After the location of the indoor unit installation has
been determined, install hanging bolts.
y
For the dimensions of the hanging bolt pitches, refer
to the external view.
y
When a ceiling already exists, lay the drain pipe,
refrigerant pipe, control wires, and remote controller
wires to their connection locations before hanging
the indoor unit.
Procure hanging bolts washer and nuts for installing
the indoor unit (these are not supplied).
Hanging bolt
M10 or W3/8
4 pieces
Nut
M10 or W3/8
12 pieces
Washer
M10
8 pieces
Installation of hanging bolt
Use M10 hanging bolts (4 pcs, locally procured).
Matching to the existing structure, set pitch according
to size in the unit external view as shown below.
New concrete slab
Install the bolts with insert brackets or anchor bolts.
(Pipe hanging
anchor bolt)
(Blade type
bracket)
(Slide type
bracket)
Anchor bolt
Rubber
Steel
fl
ame structure
Use existing angles or install new support angles.
Hanging bolt
Hanging bolt
Support angle
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Installation of indoor unit
Treatment of ceiling
The ceiling differs according to structure of building.
For details, consult your constructor or interior
fi
nish
contractor.
In the process after the ceiling board has been
removed, it is important to reinforce ceiling foundation
(frame) and to keep horizontal level of installed ceiling
correctly in order to prevent vibration of ceiling board.
y
Attach the nuts and the M10
fl
at washers to the
hanging bolt.
y
Put washers at up and down of the hanging bracket
of the indoor unit to hang down the indoor unit.
y
Check that four sides are horizontal with a level
gauge. (Horizontal degree: Within 5 mm)
M10
fl
at washer
M10
fl
at washer
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
REQUIREMENT
y
Hang the unit in a horizontal position.
When unit is hanged to slant, it may cause
over
fl
ow of drainage.
y
Install the unit within the dimension according to
the
fi
gure below.
y
Use level gauge to con
fi
rm whether the unit is
hang horizontally.
Front view
0 to 5 mm
0 to 5 mm
Side view
Set the air intake and air discharge
sides are within 5 mm with each other.
Set the drain pipe connecting port side
within 5 mm lower than opposite side.
REQUIREMENT
Removing the cardboard for transportation
y
Make sure to remove the protection cardboard for transportation that is inserted in the gap between the top
cabinet and the heat exchanger before installing the indoor unit.
Heat exchanger
Top cabinet
Protection cardboard
for transportation
